Display device and inter-substrate conducting structure
According to one embodiment, a display device includes a first substrate including a first base member and a first terminal, a second substrate including a second base member including a first surface opposing the first terminal and a second surface on an opposite side to the first surface, a second terminal located on a side of the second surface, and a first hole, an organic insulating layer located between the first terminal and the second base member and including a second hole connecting to the first hole and a connecting material provided on the first hole to electrically connect the first terminal and the second terminal to each other, at least one of the first terminal and the second terminal including an oxide electrode in contact with the connecting material.
1. A display device comprising:
a first substrate comprising a first base member and a first terminal;
a second substrate comprising a second base member comprising a first surface opposing and spaced apart from the first terminal and a second surface on an opposite side to the first surface, a second terminal located on a side of the second surface, and a first hole which penetrates from the first surface to the second surface and the second terminal;
a liquid crystal layer disposed between the first substrate and the second substrate;
an organic insulating layer located between the first terminal and the second base member and comprising a second hole connecting to the first hole; and
a connecting material provided on the first hole to electrically connect the first terminal and the second terminal to each other, wherein
the organic insulating layer includes a sealant which attaches the first substrate and the second substrate and surrounds the liquid crystal layer,
a diameter of the second hole is greater than a diameter of the first hole, and
at least one of the first terminal and the second terminal including an oxide electrode in contact with the connecting material.
2. The device of claim 1 , wherein the second terminal is an oxide electrode in contact with the second surface.
3. The device of claim 2 , further comprising: a detection electrode located on the second surface and connected to the second terminal, wherein a thickness of the second terminal is greater than a thickness of the detection electrode.
4. The device of claim 1 , wherein the second terminal comprises a metal layer in contact with the second surface and an oxide electrode in contact with the metal layer.
5. The device of claim 1 , further comprising: a protection material covering the second terminal.
6. The device of claim 1 , further comprising: a first interlayer insulating layer located between the first base member and the first terminal,
wherein the first terminal comprises a first oxide electrode located on the first interlayer insulating layer.
7. The device of claim 6 , wherein the first terminal comprises a second oxide electrode above the first oxide electrode.
8. The device of claim 7 , further comprising: a second interlayer insulating layer between the first oxide electrode and the second oxide electrode.
9. The device of claim 7 , wherein the second oxide electrode is in contact with the first oxide electrode.
10. The device of claim 7 , further comprising: a metal wiring line on the first interlayer insulating layer so as to be connected to the first oxide electrode.
11. The device of claim 1 , wherein
the first substrate comprising a third hole which penetrates the first terminal.
12. A display device comprising:
a first substrate comprising a first base member, a first terminal and a first interlayer insulating layer located between the first base member and the first terminal;
a second substrate comprising a second base member comprising a first surface opposing and spaced apart from the first terminal and a second surface on an opposite side to the first surface, a second terminal located on a side of the second surface, and a first hole which penetrates from the first surface to the second surface and the second terminal;
a liquid crystal layer disposed between the first substrate and the second substrate;
an organic insulating layer located between the first terminal and the second base member and comprising a second hole connecting to the first hole; and
a connecting material provided on the first hole to electrically connect the first terminal and the second terminal to each other, wherein
the organic insulating layer includes a sealant which attaches the first substrate and the second substrate and surrounds the liquid crystal layer,
a diameter of the second hole is greater than a diameter of the first hole, and
the first terminal comprising a first oxide electrode located on the first interlayer insulating layer, a second oxide electrode located above the first oxide electrode, and a second interlayer insulating layer located between the first oxide electrode and the second oxide electrode,
the second terminal comprising a metal layer in contact with the second surface and a third oxide electrode in contact with the metal layer, and
the first oxide electrode, the second oxide electrode, and the third oxide electrode are in contact with the connecting material.
13. The device of claim 12 , wherein
the first substrate comprising a third hole which penetrates the first terminal.
14. An inter-substrate conducting structure comprising:
a first substrate comprising a first base member and a first terminal;
a second substrate comprising a second base member comprising a first surface opposing and spaced apart from the first terminal and a second surface on an opposite side to the first surface, a second terminal located on a side of the second surface, and a first hole which penetrates from the first surface to the second surface and the second terminal;
a liquid crystal layer disposed between the first substrate and the second substrate;
an organic insulating layer located between the first terminal and the second base member and comprising a second hole connecting to the first hole; and
a connecting material provided on the first hole to electrically connect the first terminal and the second terminal to each other, wherein
the organic insulating layer includes a sealant which attaches the first substrate and the second substrate and surrounds the liquid crystal layer,
a diameter of the second hole is greater than a diameter of the first hole, and
at least one of the first terminal and the second terminal including an oxide electrode in contact with the connecting material.
15. The structure of claim 14 , wherein the second terminal is an oxide electrode in contact with the second surface.
16. The structure of claim 15 , further comprising: a detection electrode located on the second surface and connected to the second terminal, wherein a thickness of the second terminal is greater than a thickness of the detection electrode.
17. The structure of claim 14 , wherein the second terminal comprises a metal layer in contact with the second surface and an oxide electrode in contact with the metal layer.
18. The structure of claim 14 , further comprising: a protection material covering the second terminal.
19. The structure of claim 14 , further comprising:
a first interlayer insulating layer located between the first base member and the first terminal, wherein the first terminal comprises a first oxide electrode located on the first interlayer insulating layer.
20. The structure of claim 19 , wherein the first terminal comprises a second oxide electrode above the first oxide electrode.
21. The structure of claim 20 , further comprising: a second interlayer insulating layer between the first oxide electrode and the second oxide electrode.
22. The structure of claim 20 , wherein the second oxide electrode is in contact with the first oxide electrode.
23. The structure of claim 14 , wherein
the first substrate comprising a third hole which penetrates the first terminal.